Vitamin A Quiz Answers

Vitamin A Quiz Answers

TRUE or FALSE Question #1. In addition to being good for your eyes, Vitamin A is necessary for healthy skin and mucous membranes.

Answer: TRUE.

Vitamin A promotes healthy skin, eyes, membranes, and functions in reproduction and growth. Without enough Vitamin A, you may experience impaired vision, especially at night, skin problems and poor immunity to infection due to unhealthy mucous membranes.

TRUE or FALSE Question #2. Your body can convert beta-carotene, the orange pigment in carrots and other yellow and orange vegetables, to usable Vitamin A.

Answer: TRUE.

Beta-carotene is a precursor to Vitamin A. That is, your body can convert beta-carotene to Vitamin A. Beta-carotene is the pigment that it responsible for the deep orange color of vegetables such as carrots, winter squash, sweet potatoes.

Vegetables like spinach also have beta-carotene, but you can’t see it because it is disguised by the presence of the dark green pigment, chlorophyll!

TRUE or FALSE Question #3. Corn is a good source of Vitamin A.

Answer: FALSE.

While it is true that we generally associate Vitamin A with orange and yellow vegetables, corn is not a good source of Vitamin A.

Vegetables like spinach also have beta-carotene, but you can’t see it because it is disguised by the presence of the dark green pigment, chlorophyll!

Watermelon is a decent source of Vitamin A, although it is not yellow, orange or dark green! .

TRUE or FALSE Question #4. There is no upper limit established for Vitamin A since you can’t get too much of this vitamin.

Answer: FALSE.

Since Vitamin A is a fat-soluble Vitamin, the body can store it. The good news is that this means you have a supply of Vitamin A on hand, should your diet fail you. However, be aware that all of the fat-soluble vitamins can be toxic in large doses, because the excess is not excreted. The Upper Limit that has been established for Vitamin A is 10,000 I.U (3,000 µg). Symptoms of too much Vitamin A include Nausea, Headache, Fatigue, Cerebral edema and a Bulging fontanel in infants.

It is always best to get your vitamins from fresh, whole foods whenever possible. If you decide to take a supplement, be aware of the amount of Vitamin A that it contains.

TRUE or FALSE Question#5. Liver is an excellent animal source of Vitamin A because it is a storage site for this vitamin.

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